Home / 927,092.84-1,390,854.92-287,362.64

Finding the Fourth Proportional to 927,092.84, 1,390,854.92 and 287,362.64

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Solution

The fourth proportional to 927,092.84, 1,390,854.92 and 287,362.64 is: 431,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,092.84 : 1,390,854.92 = 287,362.64 : x
  2. Step 2: Convert to fraction form
    927,092.84/1,390,854.92 = 287,362.64/x
  3. Step 3: Cross multiply
    927,092.84x = 1,390,854.92 × 287,362.64
  4. Step 4: Simplify right side
    927,092.84x = 399,679,733,277.10
  5. Step 5: Solve for x
    x = 399,679,733,277.10/927,092.84
  6. Step 6: Final answer
    x = 431,110.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.